Dec 04 19:45:46.198 INFO checking djmitche/rust-chat against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 19:45:46.198 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 19:45:46.535 INFO [stdout] 5880d57b9ff629e1aefc1532cc32cf4b59ae34f457d96b1b70227c695b1b5c9c
Dec 04 19:45:46.536 INFO running `"docker" "start" "-a" "5880d57b9ff629e1aefc1532cc32cf4b59ae34f457d96b1b70227c695b1b5c9c"`
Dec 04 19:45:47.165 INFO [stderr] usermod: no changes
Dec 04 19:45:47.239 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 04 19:45:49.579 INFO [stderr]     Checking chat v0.1.0 (/source)
Dec 04 19:45:50.991 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 19:45:50.991 INFO [stderr]    --> src/main.rs:103:64
Dec 04 19:45:50.991 INFO [stderr]     |
Dec 04 19:45:50.991 INFO [stderr] 103 |             Box::new(writer_fut.select(reader_fut).then(|_| Ok((()))).map(
Dec 04 19:45:50.991 INFO [stderr]     |                                                                ^^^^ help: remove these parentheses
Dec 04 19:45:50.991 INFO [stderr]     |
Dec 04 19:45:50.991 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 19:45:50.991 INFO [stderr] 
Dec 04 19:45:51.183 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 19:45:51.183 INFO [stderr]    --> src/main.rs:103:64
Dec 04 19:45:51.183 INFO [stderr]     |
Dec 04 19:45:51.184 INFO [stderr] 103 |             Box::new(writer_fut.select(reader_fut).then(|_| Ok((()))).map(
Dec 04 19:45:51.184 INFO [stderr]     |                                                                ^^^^ help: remove these parentheses
Dec 04 19:45:51.184 INFO [stderr]     |
Dec 04 19:45:51.185 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 19:45:51.185 INFO [stderr] 
Dec 04 19:45:51.507 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
Dec 04 19:45:51.512 INFO [stderr] su: No module specific data is present
Dec 04 19:45:52.618 INFO running `"docker" "inspect" "5880d57b9ff629e1aefc1532cc32cf4b59ae34f457d96b1b70227c695b1b5c9c"`
Dec 04 19:45:52.885 INFO running `"docker" "rm" "-f" "5880d57b9ff629e1aefc1532cc32cf4b59ae34f457d96b1b70227c695b1b5c9c"`
Dec 04 19:45:53.211 INFO [stdout] 5880d57b9ff629e1aefc1532cc32cf4b59ae34f457d96b1b70227c695b1b5c9c